d-loop dholuo dododo dollop dollup dololo dolool doloop dolour dolphu dopplr dorood doropo dororo doudou doulou dourou droplr duhour duldul duloup dulpod dululu duplo- h-hour hodhur hodoul hohloh hohoho hohrod holdup holdur holhol holloo hollop holoor holour hoodoo hoohoo hoopoo hooroo hop-up hoplo- hororo horror huddup hudood huh-uh hulloo hullur huluhu hurroo l-hour lloro lo-pro lodurr lollop loloru looloo lopho- loplop loulou lourlo lurulu ohlord ohohoh ohpooh oldpro oohooh oooooo oordoo opdorp ordoru ordrup orrho- orrour oudorp ourold phlor- phlppl phoro- poduru poldhu polpol poluru poodur poopoo pop-up popduo popopo poporo poppop populo poupou pppppp prohod proph- propho propup propur pullup pullur purloo purpur r-loop rhodo- rodlo rollup rudrur ruhroh ruurlo udullu uh-huh ulloor uphold uphurl uppoor upprop uproll uropod uruppu